AOL and viewing a revised web page

paulasue · Aug 3, 2005

Can anyone help me with this? I make changes on a web site and AOL users can't see the changes. Even after they refresh their page, it doesn't show. Is there a secret here? Do I just need to add a statement on the pages for AOL viewers to use Internet Explorer?

I'll be grateful for any help.

Thanks,
Paula Sue

monaco · Aug 3, 2005

AOL uses a network of caching proxy servers. use the Cache-control directive to disable caching, and hope the proxy respects that.

I should mention that you shouldn't do this in the browser via META tags. Use the php header() call or whatever language-specific alternatives at your disposal.

LeetPCUser · Aug 3, 2005

Just don't use AOL...simple as that.

monaco · Aug 3, 2005

I second that! AOL users need to be put in a box and thrown into the sun IMO...
Every IRC chan im +o in has a perm *!*@*.ipt.aol.com ban :hehe:

Brian · Aug 3, 2005

TheComputerGeek247 said:
Just don't use AOL...simple as that.

you can't control what your visitors use, and if you start redirecting aol users to somewhere else your just throwing away a lot of traffic

monaco · Aug 3, 2005

That's ok.../dev/null is a very big place. The AOLers will be in fine company :D

paulasue · Aug 3, 2005

I've never used Cache-control

monaco said:
AOL uses a network of caching proxy servers. use the Cache-control directive to disable caching, and hope the proxy respects that.

I should mention that you shouldn't do this in the browser via META tags. Use the php header() call or whatever language-specific alternatives at your disposal.

Can you give me some more info here? Or, send me someplace that gives me a step-by-step tutorial or something? I think this is the right direction, I just need to learn how to use it.

Thanks,
Paula Sue

monaco · Aug 3, 2005

paulasue said:
Can you give me some more info here? Or, send me someplace that gives me a step-by-step tutorial or something? I think this is the right direction, I just need to learn how to use it.

Thanks,
Paula Sue

From the PHP manual, the following will prevent caching in all forms:

PHP:

<?php
// Date in the past
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");

// always modified
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
 
// HTTP/1.1
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);

// HTTP/1.0
header("Pragma: no-cache");
?>

Remember that headers need to be sent before anything else in the page, even the <!DOCTYPE> statement.

paulasue · Aug 3, 2005

Thank you, thank you, thank you!!!

Paula Sue

monaco · Aug 3, 2005

Any time...we're all here to help

Rowan W · Aug 4, 2005

Brian said:
you can't control what your visitors use, and if you start redirecting aol users to somewhere else your just throwing away a lot of traffic

I'd be alright with that. :p

paulasue · Aug 4, 2005

One more dumb question

Remember that headers need to be sent before anything else in the page, even the <!DOCTYPE> statement.[/QUOTE]

I was going to put this in the <head></head> section and then second guessed myself. You said before everything else in the page. So, does that mean it goes before the <html> tag also?

Thanks,
Paula Sue

Rowan W · Aug 4, 2005

paulasue said:
Remember that headers need to be sent before anything else in the page, even the <!DOCTYPE> statement.

I was going to put this in the <head></head> section and then second guessed myself. You said before everything else in the page. So, does that mean it goes before the <html> tag also?

Thanks,
Paula Sue

It goes before EVERYTHING.

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